The CBOT was mixed to end a week that featured mostly bearishness with a surprise decline in Argentina’s soybean crop ratings sparking a rally in soybeans and soymeal. Corn futures traded both sides of unchanged and only posted 1-cent gains for the day, but signs of strength were evident. Wheat futures were lower again and erased most of the support signs that emerged on Thursday. The livestock contracts were all lower as well with cattle drifting lower in quiet trade while the hog market saw a sharper selloff.  The Export Sales report was once again bearish the corn market with sales and exports falling below their needed target. Wheat shipments were also disappointing and were just one-quarter of last week’s volume, a su...